Home / 112,148.68-154,763.24-61,161.82

Finding the Fourth Proportional to 112,148.68, 154,763.24 and 61,161.82

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Solution

The fourth proportional to 112,148.68, 154,763.24 and 61,161.82 is: 84,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,148.68 : 154,763.24 = 61,161.82 : x
  2. Step 2: Convert to fraction form
    112,148.68/154,763.24 = 61,161.82/x
  3. Step 3: Cross multiply
    112,148.68x = 154,763.24 × 61,161.82
  4. Step 4: Simplify right side
    112,148.68x = 9,465,601,427.50
  5. Step 5: Solve for x
    x = 9,465,601,427.50/112,148.68
  6. Step 6: Final answer
    x = 84,402.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.